CN205945664U - Filter component - Google Patents
Filter component Download PDFInfo
- Publication number
- CN205945664U CN205945664U CN201620910833.6U CN201620910833U CN205945664U CN 205945664 U CN205945664 U CN 205945664U CN 201620910833 U CN201620910833 U CN 201620910833U CN 205945664 U CN205945664 U CN 205945664U
- Authority
- CN
- China
- Prior art keywords
- lead
- electric capacity
- filter circuit
- signal
- inductance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 claims abstract description 78
- 239000003990 capacitor Substances 0.000 claims description 55
- 230000005611 electricity Effects 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a filter component, including the casing that has the cavity, the top of casing is open structure, is equipped with first connector, second connector, third connector, fourth connector, the 5th connector, the 6th connector and the 7th connector on the surface of the lateral wall relative with open structure in proper order, the cavity of casing passes through the baffle and forms power filtering cavity and signal filtering cavity, set up the integrated power filter circuit board that has power filter circuit in the power filtering cavity, setting up signal filtering circuit board in the signal filtering cavity, being equipped with the base under the baffle, be close to base department in the signal filtering cavity and be equipped with the earthing rod, the bottom of baffle is equipped with the connection piece, and the connection piece is connected with the earthing rod, be equipped with conducting structure on the surface of the lateral wall of erection joint ware. The utility model discloses make the present vehicle commander terminal to satisfy among the GJB relevant electromagnetic compatibility requirements such as conduction CE102 and radiation RE102.
Description
Technical field
This utility model is related to wave filter technology field, especially a kind of filtering unit for vehicle commander's terminal.
Background technology
Vehicle commander's terminal is widely used for the control command system on various equipment, according to the Electro Magnetic Compatibility of vehicle commander's terminal
Testing result shows, the testing result of wherein vehicle commander's terminal Electro Magnetic Compatibility such as CE102 and RE102 index is unsatisfactory for related electromagnetism
Compatibility requirements；CE102 (10KHz-10MHz power line conducted emission) is unsatisfactory for requirement and refers to tested measurement equipment input power cord
Conducted emission on (inclusion loop line) is unsatisfactory for, in assigned frequency, Electromagnetic Launching that in GJB, CE102 project specifies and sensitivity will
Ask；RE102 (transmitting of 10KHz-18GHz electric field radiation) is unsatisfactory for requiring to refer to equipment under test and its electricity about electric wire, cable
Flied emission is unsatisfactory for the Electromagnetic Launching that CE102 project specifies and sensitivity in GJB in assigned frequency and requires；Vehicle commander's terminal is led to be transported
Stablizing of row is poor, the poor accuracy of information transfer and can cause serious impact to the safety of equipment；In addition, vehicle commander's terminal
In not only need to input vehicle commander's terminal power supply be filtered in addition it is also necessary to be filtered to multiple signals, in prior art all
It is to separately design independent filtering unit to power supply and multiple signal to be filtered respectively, so do not only result in installation filtering unit
Bother very much, and in the vehicle commander's terminal having, the reserved position installing filtering unit is limited, leads to not to multiple filtering units
Assembled；And multiple filtering units are installed, contact bad between filtering unit and vehicle commander's terminal installed surface, lead to filtering group
The filter effect of part is poor, not only can not meet vehicle commander's terminal supplying power input filter and signal input filtering, can't ensure vehicle commander
Terminal input, the requirement of output port electromagnetic compatibility.Shield effectiveness difference and the multiple filters of installation along with present filtering unit
Ripple assembly, leads to the radiation that filtering unit produces that the electronic equipment of vehicle commander's terminal inner can be impacted, and also can be to whole
The safety of individual vehicle commander's terminal and disguise cause to have a strong impact on.
Utility model content
For the problems referred to above of the prior art, the utility model proposes a kind of filtering unit, this utility model solution
The Electro Magnetic Compatibility of existing vehicle commander's terminal is poor, is unsatisfactory for the regulation such as CE102 and RE102 in related EMC Requirements, with
And the integrated level of existing filtering unit is little, the technical problem such as filter effect is unstable.
The technical solution of the utility model is：A kind of filtering unit, including the housing with chamber, the top of described housing
For hatch frame, at described hatch frame, it is provided with dismountable cover plate, described cover plate is provided with for the threading opening through lead,
First adapter (X1), the second adapter (X2), the 3rd connection are sequentially provided with the outer surface of side wall relative with hatch frame
Device (X3), the 4th adapter (X4), the 5th adapter (X5), the 6th adapter (X6) and the 7th adapter (X7)；The chamber of housing
Room forms power filter chamber and signal filtering chamber by dividing plate, and the first adapter (X1) is located at the outside of power filter chamber
Wall；In described power filter chamber, electric source filter circuit plate is set, electric source filter circuit plate is integrated with electric source filter circuit, electricity
The input of power filter is connected with the contact pin of the first adapter (X1), and the outfan of electric source filter circuit is provided with lead；Institute
State setting signal filter circuit plate in signal filtering chamber, in described signal filter circuit plate, be integrated with signal filter circuit；Institute
State the second adapter (X2), the 3rd adapter (X3), the 4th adapter (X4), the 5th adapter (X5), the 6th adapter (X6)
And the 7th the contact pin in adapter (X7) be connected with the signal input part of signal filter circuit, the signal output of signal filter circuit
Lead is arranged on end；Described dividing plate be arranged right below base, dividing plate is provided with the fixing hole for installing feedthrough capacitor, described
It is provided with earthing rod near base position, the bottom of described dividing plate is provided with connection sheet, described connection sheet and ground connection in signal filtering chamber
Post connects；The outer surface of the side wall of installs connector is provided with conductive structure.
Further, described first adapter (X1) includes 12 contact pins, and described electric source filter circuit includes the first common mode
Inductance (L1), the second common mode inductance (L2), the 30th to the 39th electric capacity (C30～C39), the 40th polar capacitor (C40),
First feedthrough capacitor (CY1-1), the second feedthrough capacitor (CY1-2), the 3rd feedthrough capacitor (CY3) and the 4th feedthrough capacitor (CY4),
First common mode inductance includes the first inductance (L1-1) and the second inductance (L1-2), and the second common mode inductance includes the 3rd inductance (L2-1)
With the 4th inductance (L2-2)；The input of described electric source filter circuit includes inputting positive pole and input negative pole, described input positive pole
It is connected with the 1-6 contact pin of the first adapter (X1), input negative pole is connected with the 7-12 contact pin of the first adapter (X1)；Described
The outfan of electric source filter circuit includes output cathode and output negative pole, and the outfan of described electric source filter circuit is provided with 12
Root lead, wherein 1-6 lead are output cathode, and 7-12 lead is output negative pole；The output of described first inductance (L1-1)
End is connected with the positive pole of the outfan of electric source filter circuit by the 3rd inductance (L2-1), the output of described second inductance (L1-2)
End is connected with the negative pole of the outfan of electric source filter circuit by the 4th inductance (L2-2)；First inductance (L1-1) and the second inductance
(L1-2) input is grounded respectively through the 31st electric capacity (C31) and the 32nd electric capacity (C32), the 30th electric capacity
(C30) it is connected across the first inductance (L1-1) and the second inductance after, the 33rd electric capacity (C33), the 34th electric capacity (C34) are in parallel
(L1-2) between input；The outfan of described first inductance (L1-1) and the second inductance (L1-2) is respectively through the 36th
Electric capacity (C36) and the 37th electric capacity (C37) ground connection, the 35th electric capacity (C35) is connected across the first inductance (L1-1) and second
Between the outfan of inductance (L1-2)；38th electric capacity (C38), the 39th electric capacity (C39) and the 40th polar capacitor
(C40) it is connected across between the 3rd inductance (L2-1) and the outfan of the 4th inductance (L2-2) after parallel connection, the 3rd inductance (L2-1) is defeated
Go out end to be connected with the input of the first feedthrough capacitor (CY1-1), the outfan of the first feedthrough capacitor (CY1-1) and No. 1 lead and 2
Number lead is connected；4th inductance (L2-2) outfan is connected with the input of the second feedthrough capacitor (CY1-2), the second feedthrough capacitor
(CY1-2) outfan is connected with No. 7 and No. 8 leads；The input of the first inductance (L1-1) and the 3rd feedthrough capacitor (CY3)
Input connects, and the outfan of the 3rd feedthrough capacitor (CY3) is connected with 3-6 lead；The input of described second inductance (L1-2)
End is connected with the input of the 4th feedthrough capacitor (CY4), and the outfan of the 4th feedthrough capacitor (CY4) is connected with 9-12 lead；
Outside first feedthrough capacitor (CY1-1), the ground connection of the second feedthrough capacitor (CY1-2), the 3rd electric capacity (CY3) and the 4th electric capacity (CY4)
Shell is all grounded by dividing plate.
Further, described signal filter circuit include CAN signal filter circuit, first network signal filter circuit,
Two network signal filter circuits, RS422 signal filter circuit, a RS232 signal filter circuit and the 2nd RS232 signal filtering
Circuit.
Further, described second adapter (X2) includes 6 being connected with the signal input part of CAN signal filter circuit
Contact pin, the signal output part of CAN signal filter circuit be provided with the CAN_H lead connecting one to one with 6 contact pins respectively,
CAN_L lead, CAN_GND lead, GPI1ISO lead, GPI2ISO lead and GND GPI0 lead；CAN_H lead passes through second
17 electric capacity (C27) are grounded, and CAN_L lead passes through bottom 29 electric capacity (C29) and is grounded, and CAN_GND lead passes through the 28th
Electric capacity (C28) is grounded, and GPI1ISO lead passes through the 26th electric capacity (C26) ground connection, and GPI2ISO lead passes through the 25th electricity
Hold (C25) ground connection, GND GPI0 lead passes through the 24th electric capacity (C24) ground connection.
Further, described 4th adapter (X3) includes being connected with the signal input part of first network signal filter circuit
12 contact pins, the signal output part of first network signal filter circuit is provided with the TX+ connecting one to one with 12 contact pins
Lead 1, TX- lead 1, RX+ signal 1, BI-D3+ lead 1, BI-D3- lead 1, RX- lead 1, BI-D4+ lead 1, BI-D4- draw
Line 1, the first+26V lead 1, the second+26V lead 1, a 26VGND lead 1 and the 2nd 26VGND lead 1；First+26V lead
1st, the second+26V lead 1, a 26VGND lead 1 and the 2nd 26VGND lead 1 respectively by with the 20th electric capacity (C20),
21 electric capacity (C21), the 22nd electric capacity (C22) and the 23rd electric capacity (C23) ground connection.
Further, described 3rd adapter (X4) includes being connected with the signal input part of the second network signal filter circuit
12 contact pins, the signal output part of the second network signal filter circuit is provided with the TX+ connecting one to one with 12 contact pins
Lead 2, TX- lead 2, RX+ signal 2, BI-D3+ lead 2, BI-D3- lead 2, RX- lead 2, BI-D4+ lead 2, BI-D4- draw
Line 2, the first+26V lead 2, the second+26V lead 2, a 26VGND lead 2 and the 2nd 26VGND lead 2；First+26V lead
2nd, the second+26V lead 2, a 26VGND lead 2 and the 2nd 26VGND lead 2 respectively pass through the 16th electric capacity (C16), the tenth
Seven electric capacity (C17), the 18th electric capacity (C18) and the 19th electric capacity (C19) ground connection.
Further, described 5th adapter (X5) includes 5 being connected with the signal input part of RS422 signal filter circuit
Root contact pin, the signal output part of RS422 signal filter circuit be provided with the TXD+ lead connecting one to one with 5 contact pins,
TXD- lead, RXD+ lead, RXD- lead and GND lead, TXD+ lead, TXD- lead, RXD+ lead, RXD- lead and GND
Lead respectively pass through the 12nd electric capacity (C12), the 14th electric capacity (C14), the 13rd electric capacity (C13), the 11st electric capacity (C11) and
15th electric capacity (C15)
Ground connection.
Further, described 6th adapter (X6) includes connecting with the signal input part of a RS232 signal filter circuit
5 contact pins connecing, the signal output part of a RS232 signal filter circuit is provided with the TXD connecting one to one with 5 contact pins
Lead 1, RXD lead 1, GND lead 1, CTS lead 1 and RTS lead 1；TXD lead 1, RXD lead 1, GND lead 1, CTS lead
1 and RTS lead 1 passes through the 8th electric capacity (C8), the tenth electric capacity (C10), the 9th electric capacity (C9), the 7th electric capacity (C7) and the 6th respectively
Electric capacity (C6) is grounded.
Further, described 7th adapter (X7) includes connecting with the signal input part of the 2nd RS232 signal filter circuit
5 contact pins connecing, the signal output part of the 2nd RS232 signal filter circuit is provided with the TXD connecting one to one with 5 contact pins
Lead 2, RXD lead 2, GND lead 2, CTS lead 2 and RTS lead 2；TXD lead 2, RXD lead 2, GND lead 2, CTS lead
2 and RTS leads 2 pass through the 3rd electric capacity (C3), the 4th electric capacity (C4), the 5th electric capacity (C5), the first electric capacity (C1) and second respectively
Electric capacity (C2) is grounded.
Further, described threading opening is two, and two threading openings are all just to signal filtering chamber, and the top of capping sets
There are two insulators, two insulators cover on two threading openings respectively, and the side wall of described insulator had line mouth.
Compared with prior art, the beneficial effects of the utility model are：
1. the chamber of whole housing is divided into the power supply filter being provided with electric source filter circuit plate by this utility model by dividing plate
Ripple chamber and the signal filtering chamber being provided with signal filter circuit plate, by the power supply filter being integrated on electric source filter circuit plate
Wave circuit and the multiple signal filter circuits being integrated on signal filter circuit plate enter respectively to the power supply of vehicle commander's terminal and signal
Row Filtering Processing is so that the power supply of entrance vehicle commander's terminal and signal all meet CE102 and RE102 in related EMC Requirements and refer to
Target specifies, then is shielded power filter and signal filtering by dividing plate, it is to avoid power line and holding wire, power filter electricity
Road and signal filter circuit cause to interfere, and while guarantee filtering unit good filter effect, also achieve multiple
Filter circuit highly integrated is so that the installation of filtering unit, maintenance and using convenient.
2. the first feedthrough capacitor, the second feedthrough capacitor, the 3rd feedthrough capacitor and the 4th feedthrough capacitor are pacified by this utility model
Be contained on dividing plate, decrease in housing cavity, four feedthrough capacitors are installed so that in whole filtering unit circuit integrated level
Height, and the feedthrough capacitor being arranged on dividing plate is grounded by the connection sheet of dividing plate bottom and earthing rod, this ensure that
Feedthrough capacitor use and be always maintained at during moving connecing state, it is to avoid there is situation about loosening at ground connection, in addition,
Facilitate output lead in power filter chamber to pass from threading opening, this avoid on the cover plate above power filter chamber
Open threading opening, this avoid power line and electric source filter circuit more than the frequency spectrum inside to signal filtering part and vehicle commander's terminal
Equipment produces interference, it also avoid filtering unit and produces larger radiation, thus prevents the interference of power supply signal from leading to other
The performance of equipment reduces, or even cannot work.
3. this utility model passes through to install conductive structure on the surface of filtering unit, and conductive structure is conducting foam, this
Sample makes filtering unit be arranged in vehicle commander's terminal, increases contact area between filtering unit and vehicle commander's terminal installed surface, makes
Filtering unit can keep good contact with vehicle commander's terminal so that the good wave filtering effect of filtering unit is it is ensured that vehicle commander's terminal
Power supply and signal input part and the good Electro Magnetic Compatibility of outfan are it is ensured that the normal operation of vehicle commander's terminal and signal transmission
Accuracy.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation of housing in this utility model.
Fig. 4 is the circuit diagram of power filter part in this utility model.
Fig. 5 is the circuit diagram of signal filtering part in this utility model.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment further illustrates to the technical scheme in this utility model.
Referring to the drawings 1,2,3, this utility model includes the housing 1 with chamber, and the top of housing 1 is hatch frame, opens
It is provided with dismountable capping 9, capping 9 is provided with for the threading opening through lead 8, so facilitates the peace of circuit board at mouth structure
Dress, the simple to operate, packaging efficiency of assembling filtering unit is high；It is sequentially provided with the outer surface of side wall relative with hatch frame
A connector (X1), the second adapter (X2), the 3rd adapter (X3), the 4th adapter (X4), the 5th adapter (X5), the 6th
Adapter (X6) and the 7th adapter (X7), adapter is respectively used to the connection with power supply and multiple signal transmssion line, and will
Power supply and signal transmission are filtered respectively on corresponding filter circuit, it is to avoid cause mutual between power supply and multiple signal
Interference；The chamber of housing 1 forms power filter chamber 4 and signal filtering chamber 5 by dividing plate 3, so not only by power filter
Part and signal filtering are partially integrated in a housing 1, make power filter part and signal filtering part by dividing plate 3 again
Carry out respectively independently filtering it is ensured that the good filtering performance of filtering unit is so that vehicle commander's terminal has good Electro Magnetic Compatibility；
First adapter (X1) is located at the lateral wall of power filter chamber 4；Electric source filter circuit plate, electricity are set in power filter chamber 4
Electric source filter circuit is integrated with power filter plate, the contact pin of the input of electric source filter circuit and the first adapter (X1) is even
Connect, the outfan of electric source filter circuit is provided with lead, lead is used for and the power input joint of vehicle commander's terminal connects；Signal filtering
In chamber 5, signal filter circuit plate is set, signal filter circuit plate is integrated with signal filter circuit, the second adapter (X2),
In 3rd adapter (X3), the 4th adapter (X4), the 5th adapter (X5), the 6th adapter (X6) and the 7th adapter (X7)
Contact pin be connected with the signal input part of signal filter circuit, on the signal output part of signal filter circuit arrange lead, lead
Signal input connector corresponding with vehicle commander's terminal connects respectively；Dividing plate 3 be arranged right below base, dividing plate 3 be provided with for
The fixing hole of feedthrough capacitor is installed, is provided with earthing rod 6 near base position in signal filtering chamber 5, the bottom of dividing plate 3 is provided with connection
Piece 7, connection sheet 7 is connected with earthing rod 6；Dividing plate 3 is fixed on base by the cooperation of connection sheet 7 and earthing rod 6, so arranges
Dividing plate 3 makes installation feedthrough capacitor on dividing plate 3 good and is fixed on base again after the lead of power pack is passed through threading opening
Above so that being more convenient in housing 1 assembling circuit, and make the integrated level height of filtering unit, the space of occupancy is few；
The outer surface of the side wall of installs connector is provided with conductive structure 10, and conductive structure 10 is conducting foam so that filtering group
Part is arranged in vehicle commander's terminal, increases contact area between filtering unit and vehicle commander's terminal installed surface so that filtering unit energy
Enough contacts good with the holding of vehicle commander's terminal are so that the good wave filtering effect of filtering unit is it is ensured that vehicle commander's terminal supplying power and signal are defeated
Enter end and the good Electro Magnetic Compatibility of outfan it is ensured that the normal operation of vehicle commander's terminal and the accuracy of signal transmission.
Referring to the drawings 4, the first adapter (X1) includes 12 contact pins, and electric source filter circuit includes the first common mode inductance
(L1), the second common mode inductance (L2), the 30th to the 39th electric capacity (C30～C39), the 40th polar capacitor (C40), first
Feedthrough capacitor (CY1-1), the second feedthrough capacitor (CY1-2), the 3rd feedthrough capacitor (CY3) and the 4th feedthrough capacitor (CY4), first
Common mode inductance includes the first inductance (L1-1) and the second inductance (L1-2), and the second common mode inductance includes the 3rd inductance (L2-1) and
Four inductance (L2-2)；The input of electric source filter circuit includes inputting positive pole and input negative pole, input positive pole and the first adapter
(X1) 1-6 contact pin is connected, and input negative pole is connected with the 7-12 contact pin of the first adapter (X1)；Electric source filter circuit defeated
Go out end and include output cathode and output negative pole, and the outfan of electric source filter circuit is provided with 12 leads, wherein 1-6 lead
For output cathode, 7-12 lead is output negative pole；1-6 contact pin is used for being connected with the positive pole of DC supply input, 7-12
Number contact pin is used for being connected with the negative pole of DC supply input；The outfan of the first inductance (L1-1) passes through the 3rd inductance (L2-1)
Be connected with the positive pole of the outfan of electric source filter circuit plate, the outfan of the second inductance (L1-2) pass through the 4th inductance (L2-2) with
The negative pole of the outfan of electric source filter circuit plate connects；The input warp respectively of the first inductance (L1-1) and the second inductance (L1-2)
Cross the 31st electric capacity (C31) and the 32nd electric capacity (C32) ground connection, for carrying out tentatively the common mode interference signal in power supply
Leach；It is connected across the first inductance after 30th electric capacity (C30), the 33rd electric capacity (C33), the 34th electric capacity (C34) are in parallel
(L1-1) between the input of and the second inductance (L1-2), for the differential mode interference signal in power supply is leached；First electricity
The outfan of sense (L1-1) and the second inductance (L1-2) is respectively through the 36th electric capacity (C36) and the 37th electric capacity (C37)
Ground connection, is leached again to common mode interference signal remaining in power supply, the 35th electric capacity (C35) is connected across the first inductance
(L1-1) between the outfan of and the second inductance (L1-2)；Differential mode interference signal remaining in power supply is leached again, the
It is connected across the 3rd inductance after 38 electric capacity (C38), the 39th electric capacity (C39) and the parallel connection of the 40th polar capacitor (C40)
(L2-1) and the outfan of the 4th inductance (L2-2) between, the 3rd inductance (L2-1) outfan and the first feedthrough capacitor (CY1-1)
Input connect, the outfan of the first feedthrough capacitor (CY1-1) is connected with No. 1 and No. 2 leads, No. 1 and No. 2 leads for
The positive pole of vehicle commander's Terminal Equipment Power input connects；4th inductance (L2-2) outfan and the second feedthrough capacitor (CY1-2)
Input connects, and the outfan of the second feedthrough capacitor (CY1-2) is connected with No. 7 and No. 8 leads；This No. 7 and No. 8 leads be used for
The negative pole of vehicle commander's Terminal Equipment Power input connects；The input of the first inductance (L1-1) and the 3rd feedthrough capacitor (CY3)
Input connects, and the outfan of the 3rd feedthrough capacitor (CY3) is connected with 3-6 lead；Wherein 4-6 lead is used for vehicle commander eventually
The positive pole of three heating film power inputs in end connects respectively, and No. 3 leads are used for and the voice terminal electricity in vehicle commander's terminal
The positive pole of source input connects；The input of the second inductance (L1-2) is connected with the input of the 4th feedthrough capacitor (CY4), and the 4th
The outfan of feedthrough capacitor (CY4) is connected with 9-12 lead；Wherein 10-12 lead and three heating film power inputs
Negative pole connects respectively, and No. 9 leads are used for being connected with the negative pole of the voice terminal power input in vehicle commander's terminal；First punching electricity
Hold (CY1-1), the second feedthrough capacitor (CY1-2), the 3rd electric capacity (CY3) and the 4th electric capacity (CY4) grounding shell all by every
Plate earthing.
Signal filter circuit includes CAN signal filter circuit, first network signal filter circuit, the second network signal filtering
Circuit, RS422 signal filter circuit, a RS232 signal filter circuit and the 2nd RS232 signal filter circuit.
Referring to the drawings 5, the second adapter (X2) include being connected with the signal input part of CAN signal filter circuit 6 are slotting
Pin, the signal output part of CAN signal filter circuit is provided with the CAN_H lead connecting one to one respectively, CAN_ with 6 contact pins
L lead, CAN_GND lead, GPI1ISO lead, GPI2ISO lead and GND GPI0 lead；CAN_H lead passes through the 27th
Electric capacity (C27) is grounded, and CAN_L lead passes through bottom 29 electric capacity (C29) and is grounded, and CAN_GND lead passes through the 28th electric capacity
(C28) it is grounded, GPI1ISO lead passes through the 26th electric capacity (C26) ground connection, GPI2ISO lead passes through the 25th electric capacity
(C25) it is grounded, GND GPI0 lead passes through the 24th electric capacity (C24) ground connection, will enter in the CAN signal of vehicle commander's terminal
And interference signal is leached.
Referring to the drawings 5, the 4th adapter (X3) includes being connected with the signal input part of first network signal filter circuit
12 contact pins, the signal output part of first network signal filter circuit is provided with the TX+ being connected one to one with 12 contact pins and draws
Line 1, TX- lead 1, RX+ signal 1, BI-D3+ lead 1, BI-D3- lead 1, RX- lead 1, BI-D4+ lead 1, BI-D4- lead
1st, the first+26V lead 1, the second+26V lead 1, a 26VGND lead 1 and the 2nd 26VGND lead 1；First+26V lead 1,
Second+26V lead 1, a 26VGND lead 1 and the 2nd 26VGND lead 1 respectively by with the 20th electric capacity (C20), second
11 electric capacity (C21), the 22nd electric capacity (C22) and the 23rd electric capacity (C23) ground connection, by the first net of input vehicle commander's terminal
Network signal is leached.
Referring to the drawings 5, the 3rd adapter (X4) includes being connected with the signal input part of the second network signal filter circuit
12 contact pins, the signal output part of the second network signal filter circuit is provided with the TX+ being connected one to one with 12 contact pins and draws
Line 2, TX- lead 2, RX+ signal 2, BI-D3+ lead 2, BI-D3- lead 2, RX- lead 2, BI-D4+ lead 2, BI-D4- lead
2nd, the first+26V lead 2, the second+26V lead 2, a 26VGND lead 2 and the 2nd 26VGND lead 2；First+26V lead 2,
Second+26V lead 2, a 26VGND lead 2 and the 2nd 26VGND lead 2 respectively pass through the 16th electric capacity (C16), the 17th
Electric capacity (C17), the 18th electric capacity (C18) and the 19th electric capacity (C19) ground connection, the second network signal of input vehicle commander's terminal is entered
Row leaches.
Referring to the drawings 5, the 5th adapter (X5) includes 5 being connected with the signal input part of RS422 signal filter circuit
Contact pin, the signal output part of RS422 signal filter circuit is provided with the TXD+ lead connecting one to one with 5 contact pins, TXD-
Lead, RXD+ lead, RXD- lead and GND lead, TXD+ lead, TXD- lead, RXD+ lead, RXD- lead and GND lead
Pass through the 12nd electric capacity (C12), the 14th electric capacity (C14), the 13rd electric capacity (C13), the 11st electric capacity (C11) and the tenth respectively
Five electric capacity (C15) are grounded.
Referring to the drawings 5, the 6th adapter (X6) includes being connected with the signal input part of a RS232 signal filter circuit
5 contact pins, the signal output part of a RS232 signal filter circuit is provided with the TXD lead connecting one to one with 5 contact pins
1st, RXD lead 1, GND lead 1, CTS lead 1 and RTS lead 1；TXD lead 1, RXD lead 1, GND lead 1, CTS lead 1 and
RTS lead 1 passes through the 8th electric capacity (C8), the tenth electric capacity (C10), the 9th electric capacity (C9), the 7th electric capacity (C7) and the 6th electricity respectively
Hold (C6) ground connection.
Referring to the drawings 5, the 7th adapter (X7) includes being connected with the signal input part of the 2nd RS232 signal filter circuit
5 contact pins, the signal output part of the 2nd RS232 signal filter circuit is provided with the TXD lead connecting one to one with 5 contact pins
2nd, RXD lead 2, GND lead 2, CTS lead 2 and RTS lead 2；TXD lead 2, RXD lead 2, GND lead 2, CTS lead 2 and
RTS lead 2 passes through the 3rd electric capacity (C3), the 4th electric capacity (C4), the 5th electric capacity (C5), the first electric capacity (C1) and the second electric capacity respectively
(C2) it is grounded.
Threading opening is two, and two threading openings are all just to signal filtering chamber 5, because the frequency spectrum on power line enriches,
Avoid power filter chamber 4 just to capping 9 on open threading opening it is ensured that the seal of power filter chamber 4, prevent power supply from filtering
The interference signal of ripple part interferes to the equipment of signal filtering part and vehicle commander's terminal inner；The top of capping 9 is provided with two
Individual insulator 11, two insulators 11 cover on two threading openings respectively, and line mouth is crossed in the side wall upper shed of insulator 11, so makes
Threading opening pass through lead after, cross line mouth be in list structure so that lead cross line mouth at arrange in order and closely
Row, facilitate filtering unit and command and control system wiring, and can prevent lead 8 scratch；Finally coat on filtering unit
Silicone rubber is so that the components and parts antioxidation of filtering unit and prevent the components and parts moisture absorption it is ensured that properties of product of filtering unit and making
Use the life-span.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of filtering unit, including the housing with chamber it is characterised in that：The top of described housing is hatch frame, institute
State and at hatch frame, be provided with dismountable cover plate, described cover plate is provided with for the threading opening through lead, with hatch frame phase
To side wall outer surface on be sequentially provided with the first adapter (X1), the second adapter (X2), the 3rd adapter (X3), the 4th even
Connect device (X4), the 5th adapter (X5), the 6th adapter (X6) and the 7th adapter (X7)；The chamber of housing is formed by dividing plate
Power filter chamber and signal filtering chamber, the first adapter (X1) is located at the lateral wall of power filter chamber；Described power supply filter
In ripple chamber, electric source filter circuit plate is set, electric source filter circuit plate is integrated with electric source filter circuit, electric source filter circuit
Input is connected with the contact pin of the first adapter (X1), and the outfan of electric source filter circuit is provided with lead；Described signal filtering chamber
In room, signal filter circuit plate is set, described signal filter circuit plate is integrated with signal filter circuit, described second adapter
(X2), the 3rd adapter (X3), the 4th adapter (X4), the 5th adapter (X5), the 6th adapter (X6) and the 7th adapter
(X7) contact pin in is connected with the signal input part of signal filter circuit, and setting on the signal output part of signal filter circuit is drawn
Line；Described dividing plate be arranged right below base, dividing plate is provided with the fixing hole for installing feedthrough capacitor, described signal filtering chamber
It is provided with earthing rod near base position, the bottom of described dividing plate is provided with connection sheet, and described connection sheet is connected with earthing rod in room；Install
The outer surface of the side wall of adapter is provided with conductive structure.
2. as claimed in claim 1 a kind of filtering unit it is characterised in that：Described first adapter (X1) includes 12 and inserts
Pin, described electric source filter circuit includes the first common mode inductance (L1), the second common mode inductance (L2), the 30th to the 39th electric capacity
(C30～C39), the 40th polar capacitor (C40), the first feedthrough capacitor (CY1-1), the second feedthrough capacitor (CY1-2), the 3rd wear
Electrocardio holds (CY3) and the 4th feedthrough capacitor (CY4), and the first common mode inductance includes the first inductance (L1-1) and the second inductance (L1-
2), the second common mode inductance includes the 3rd inductance (L2-1) and the 4th inductance (L2-2)；The input bag of described electric source filter circuit
Include input positive pole and input negative pole, described input positive pole is connected with the 1-6 contact pin of the first adapter (X1), input negative pole and the
The 7-12 contact pin of a connector (X1) is connected；The outfan of described electric source filter circuit includes output cathode and output negative pole,
And the outfan of described electric source filter circuit is provided with 12 leads, wherein 1-6 lead is output cathode, and 7-12 lead is
Output negative pole；The outfan of described first inductance (L1-1) passes through the 3rd inductance (L2-1) and the outfan of electric source filter circuit
Positive pole connects, and the outfan of described second inductance (L1-2) passes through the 4th inductance (L2-2) and the outfan of electric source filter circuit
Negative pole connects；The input of the first inductance (L1-1) and the second inductance (L1-2) is respectively through the 31st electric capacity (C31) and
32 electric capacity (C32) are grounded, after the 30th electric capacity (C30), the 33rd electric capacity (C33), the 34th electric capacity (C34) are in parallel
It is connected across between the first inductance (L1-1) and the input of the second inductance (L1-2)；Described first inductance (L1-1) and the second inductance
(L1-2) outfan is grounded respectively through the 36th electric capacity (C36) and the 37th electric capacity (C37), the 35th electric capacity
(C35) it is connected across between the first inductance (L1-1) and the outfan of the second inductance (L1-2)；38th electric capacity (C38), the 3rd
It is connected across the 3rd inductance (L2-1) and the 4th inductance (L2-2) after 19 electric capacity (C39) and the parallel connection of the 40th polar capacitor (C40)
Outfan between, the 3rd inductance (L2-1) outfan is connected with the input of the first feedthrough capacitor (CY1-1), first punching electricity
The outfan holding (CY1-1) is connected with No. 1 lead and No. 2 leads；4th inductance (L2-2) outfan and the second feedthrough capacitor
(CY1-2) input connects, and the outfan of the second feedthrough capacitor (CY1-2) is connected with No. 7 and No. 8 leads；First inductance
(L1-1) input is connected with the input of the 3rd feedthrough capacitor (CY3), the outfan of the 3rd feedthrough capacitor (CY3) and 3-6
Number lead is connected；The input of described second inductance (L1-2) is connected with the input of the 4th feedthrough capacitor (CY4), the 4th punching
The outfan of electric capacity (CY4) is connected with 9-12 lead；First feedthrough capacitor (CY1-1), the second feedthrough capacitor (CY1-2),
The grounding shell of three electric capacity (CY3) and the 4th electric capacity (CY4) is all grounded by dividing plate.
3. as claimed in claim 1 a kind of filtering unit it is characterised in that：Described signal filter circuit includes CAN signal filter
Wave circuit, first network signal filter circuit, the second network signal filter circuit, RS422 signal filter circuit, a RS232
Signal filter circuit and the 2nd RS232 signal filter circuit.
4. as claimed in claim 3 a kind of filtering unit it is characterised in that：Described second adapter (X2) includes believing with CAN
6 contact pins that the signal input part of number filter circuit connects, the signal output part of CAN signal filter circuit is provided with respectively with 6
CAN_H lead that root contact pin connects one to one, CAN_L lead, CAN_GND lead, GPI1ISO lead, GPI2ISO lead and
GND GPI0 lead；CAN_H lead passes through the 27th electric capacity (C27) ground connection, and CAN_L lead passes through bottom 29 electric capacity
(C29) it is grounded, CAN_GND lead passes through the 28th electric capacity (C28) ground connection, GPI1ISO lead passes through the 26th electric capacity
(C26) it is grounded, GPI2ISO lead passes through the 25th electric capacity (C25) ground connection, GND GPI0 lead passes through the 24th electric capacity
(C24) it is grounded.
5. as claimed in claim 3 a kind of filtering unit it is characterised in that：Described 4th adapter (X3) includes and the first net
12 contact pins that the signal input part of network signal filter circuit connects, the signal output part setting of first network signal filter circuit
Have the TX+ lead 1 connecting one to one with 12 contact pins, TX- lead 1, RX+ signal 1, BI-D3+ lead 1, BI-D3- lead 1,
RX- lead 1, BI-D4+ lead 1, BI-D4- lead 1, the first+26V lead 1, the second+26V lead 1, a 26VGND lead 1
With the 2nd 26VGND lead 1；First+26V lead 1, the second+26V lead 1, a 26VGND lead 1 and the 2nd 26VGND lead
1 respectively by with the 20th electric capacity (C20), the 21st electric capacity (C21), the 22nd electric capacity (C22) and the 23rd electric capacity
(C23) it is grounded.
6. as claimed in claim 3 a kind of filtering unit it is characterised in that：Described 3rd adapter (X4) includes and the second net
12 contact pins that the signal input part of network signal filter circuit connects, the signal output part setting of the second network signal filter circuit
Have the TX+ lead 2 connecting one to one with 12 contact pins, TX- lead 2, RX+ signal 2, BI-D3+ lead 2, BI-D3- lead 2,
RX- lead 2, BI-D4+ lead 2, BI-D4- lead 2, the first+26V lead 2, the second+26V lead 2, a 26VGND lead 2
With the 2nd 26VGND lead 2；First+26V lead 2, the second+26V lead 2, a 26VGND lead 2 and the 2nd 26VGND lead
2 pass through the 16th electric capacity (C16), the 17th electric capacity (C17), the 18th electric capacity (C18) and the 19th electric capacity (C19) respectively connects
Ground.
7. as claimed in claim 3 a kind of filtering unit it is characterised in that：Described 5th adapter (X5) includes and RS422
5 contact pins that the signal input part of signal filter circuit connects, the signal output part of RS422 signal filter circuit is provided with and 5
TXD+ lead, TXD- lead, RXD+ lead, RXD- lead and GND lead that root contact pin connects one to one, TXD+ lead,
TXD- lead, RXD+ lead, RXD- lead and GND lead pass through respectively the 12nd electric capacity (C12), the 14th electric capacity (C14), the
13 electric capacity (C13), the 11st electric capacity (C11) and the 15th electric capacity (C15) ground connection.
8. as claimed in claim 3 a kind of filtering unit it is characterised in that：Described 6th adapter (X6) includes and first
5 contact pins that the signal input part of RS232 signal filter circuit connects, the signal output part of a RS232 signal filter circuit
It is provided with the TXD lead 1 connecting one to one with 5 contact pins, RXD lead 1, GND lead 1, CTS lead 1 and RTS lead 1；
TXD lead 1, RXD lead 1, GND lead 1, CTS lead 1 and RTS lead 1 pass through the 8th electric capacity (C8), the tenth electric capacity respectively
(C10), the 9th electric capacity (C9), the 7th electric capacity (C7) and the 6th electric capacity (C6) ground connection.
9. as claimed in claim 3 a kind of filtering unit it is characterised in that：Described 7th adapter (X7) includes and second
5 contact pins that the signal input part of RS232 signal filter circuit connects, the signal output part of the 2nd RS232 signal filter circuit
It is provided with the TXD lead 2 connecting one to one with 5 contact pins, RXD lead 2, GND lead 2, CTS lead 2 and RTS lead 2；
TXD lead 2, RXD lead 2, GND lead 2, CTS lead 2 and RTS lead 2 pass through the 3rd electric capacity (C3), the 4th electric capacity respectively
(C4), the 5th electric capacity (C5), the first electric capacity (C1) and the second electric capacity (C2) ground connection.
10. as claimed in claim 1 a kind of filtering unit it is characterised in that：Described threading opening is two, and two threading openings
All just to signal filtering chamber, the top of capping is provided with two insulators, and two insulators cover on two threading openings respectively, institute
State and line mouth was had on the side wall of insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620910833.6U CN205945664U (en) | 2016-08-22 | 2016-08-22 | Filter component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620910833.6U CN205945664U (en) | 2016-08-22 | 2016-08-22 | Filter component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205945664U true CN205945664U (en) | 2017-02-08 |
Family
ID=57947299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620910833.6U Expired - Fee Related CN205945664U (en) | 2016-08-22 | 2016-08-22 | Filter component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205945664U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106209000A (en) * | 2016-08-22 | 2016-12-07 | 重庆大及电子科技有限公司 | A kind of filtering unit |
| CN109219299A (en) * | 2018-10-31 | 2019-01-15 | 重庆山淞信息技术有限公司 | A kind of filter of more filter functions |
-
2016
- 2016-08-22 CN CN201620910833.6U patent/CN205945664U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106209000A (en) * | 2016-08-22 | 2016-12-07 | 重庆大及电子科技有限公司 | A kind of filtering unit |
| CN106209000B (en) * | 2016-08-22 | 2019-04-09 | 重庆大及电子科技有限公司 | A kind of filtering unit |
| CN109219299A (en) * | 2018-10-31 | 2019-01-15 | 重庆山淞信息技术有限公司 | A kind of filter of more filter functions |
| CN109219299B (en) * | 2018-10-31 | 2023-08-18 | 重庆山淞信息技术有限公司 | Filter with multiple filtering functions |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207410309U (en) | A kind of filtering unit | |
| US5346410A (en) | Filtered connector/adaptor for unshielded twisted pair wiring | |
| CN205945664U (en) | Filter component | |
| CN107635390A (en) | A kind of cold and hot separation data center with low-and high-frequency electro-magnetic screen function | |
| CN2845325Y (en) | Electric circuit for inhibiting electromagnetic interfere on Ethernet interface | |
| CN104537261B (en) | A kind of containing through circuit interference predicting method in cable cabinet based on field circuit method | |
| CN208835996U (en) | A kind of EMI filter | |
| CN106209000A (en) | A kind of filtering unit | |
| CN207490880U (en) | A kind of wave filter of electromagnetism interference | |
| CN205646695U (en) | Family's distribution and broadband access's comprehensive distribution case | |
| CN208285728U (en) | A kind of Vehicular charger EMC component individual screen structure | |
| CN205430885U (en) | Novel DC power supply's anti interference shielding structure of high frequency electric way module | |
| CN205693666U (en) | A kind of electromagnetic compatibility equipment | |
| CN115426469A (en) | Host device, slave device and building intercom system of building intercom system | |
| CN201813029U (en) | Module electric connector | |
| CN205015808U (en) | Hanging computer equipment | |
| CN205945666U (en) | Filter component installs casing | |
| CN209517856U (en) | A kind of EMI filtering bracing means based on PCB functional circuit | |
| CN206211199U (en) | filtering electrical connector | |
| CN208369469U (en) | A kind of power-supply filter | |
| CN108919932A (en) | A kind of electromagnetic compatibility processing technique of large power supply | |
| CN209417706U (en) | A kind of touch apparatus | |
| CN110880865B (en) | EMI filtering device | |
| CN221240692U (en) | EMI filter | |
| CN208128204U (en) | A kind of efficient filtering cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 |